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Grade C17410
Corresponding Standard ASTM B768-2011(R2016)
Copper-Cobalt-Beryllium Alloy and Copper-Nickel-Beryllium Alloy Strip and Sheet
Classification Copper and Copper Alloys
C17410 Chemical Element Composition Content (%)
Component Fe Si Be Co Al More
Minimum Value - - 0.15 0.35 - Cu:余量
Maximum Value 0.2 0.2 0.5 0.6 0.2
C17410 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Thin plate, strip 1/2-Hard + Precipitation Heat Treatment TH02 (1/2HT) 655~790 550~690 Gauge L0=50mm
10~20		 HRB: 89~98
HR30T: 76~81
Thin plate, strip Hard + precipitation heat treatment TH04 (HT) 760~895 690~830 7~17 HRB: 95~100
HR30T: 79~86

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